Video Doorbell Comparison · UK 2026
eufy Video Doorbell C31 vs Aqara Video Doorbell G4

Specs, pros and cons compared side by side

Both the eufy Video Doorbell C31 and the Aqara Video Doorbell G4 are video doorbells. This head-to-head sets them side by side using the specs, pros and cons from our full reviews. eufy specs come from eufy’s own product pages; Aqara specs come from our Aqara review, checked against Aqara’s own pages.

Quick verdict

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eufy Video Doorbell C31

Pick it for: Removable rechargeable 6,500mAh battery (the Aqara G4: six AA alkaline batteries) · 2K video (the Aqara G4: 1080p)

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Aqara Video Doorbell G4

Pick it for: HomeKit Secure Video (the C31: no HomeKit) · Chime repeater included (the C31: no chime in the base box) · microSD up to 512GB, in the chime repeater (the C31: microSD up to 128GB)

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Quick comparison

Spec eufy Video Doorbell C31 Aqara Video Doorbell G4
Resolution 2K, 4:3 or 16:9 extended 1080p, 162° view
Power Removable 6,500mAh battery, or wired 16-24V 30VA (24/7 when wired) Six AA batteries, or wired 12-24V AC / 8-24V DC
Wi-Fi Not stated by eufy 2.4GHz only
Storage microSD up to 128GB, HomeBase S380 microSD up to 512GB in the chime repeater, plus free 7-day cloud
eufy Video Doorbell C31

Pros

  • 24/7 recording when wired
  • Removable battery
  • Works with existing mechanical chimes
  • microSD storage

Cons

  • Single camera (no package view)
  • No chime in the base box
  • Not the old eufy Wi-Fi Chime
  • No HomeKit
Aqara Video Doorbell G4

Pros

  • Free 7-day cloud storage
  • Battery or wired power, with batteries as backup
  • microSD recording in the chime repeater
  • HomeKit Secure Video

Cons

  • 1080p rather than 2K
  • 2.4GHz Wi-Fi only
  • Uses AA alkaline batteries rather than a rechargeable pack
  • 24/7 recording only when wired

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Which should you buy?

Why choose the eufy Video Doorbell C31

  • Removable rechargeable 6,500mAh battery (the Aqara G4: six AA alkaline batteries)
  • 2K video (the Aqara G4: 1080p)
Why choose the Aqara Video Doorbell G4

  • HomeKit Secure Video (the C31: no HomeKit)
  • Chime repeater included (the C31: no chime in the base box)
  • microSD up to 512GB, in the chime repeater (the C31: microSD up to 128GB)

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